Aspects of the subject disclosure may include, a system that facilitates transmitting a plurality of ultra-wideband electromagnetic waves that propagates along a surface of a first transmission medium without requiring an electrical return path, wherein the first plurality of ultra-wideband electromagnetic waves conveys a plurality of communication signals, detecting an attenuation in the plurality of ultra-wideband electromagnetic waves that affects a propagation of the plurality of ultra-wideband electromagnetic waves along the first surface of the first transmission medium, and responsive to the detecting, redirecting at least a portion of the plurality of ultra-wideband electromagnetic waves to an interface of a second transmission medium. Other embodiments are disclosed.

To provide a circuit module, a bicycle electric component, and a communication system that are easily matched to a communication system that uses power line communication, a circuit module is configured to be mounted on a bicycle electric component. The circuit module includes a first circuit board, a communication converter configured to convert between information appropriate to power line communication and information appropriate to communication other than the power line communication and mounted on the first circuit board, and a plurality of first terminals formed on the first circuit board. The plurality of first terminals is connected to a second circuit board included in the electric component.

Aspects of the subject disclosure may include, an access point that facilitates receiving from a system a modulated signal in a first spectral segment, wherein the system is configured to receive a plurality of ultra-wideband electromagnetic waves via a transmission medium and extract the modulated signal in the first spectral segment from a plurality of modulated signals conveyed by the plurality of ultra-wideband electromagnetic waves, and wherein the plurality of ultra-wideband electromagnetic waves operates in a second spectral segment that differs from the first spectral segment, and transmitting the modulated signal in the first spectral segment to a communication device. Other embodiments are disclosed.

Aspects of the subject disclosure may include, receiving a signal, and launching, according to the signal, an electromagnetic wave along a transmission medium, where the electromagnetic wave propagates along the transmission medium without requiring an electrical return path, and where the electromagnetic wave has a phase delay profile that is dependent on an azimuth angle about an axis of the transmission medium. Other embodiments are disclosed.

Systems and methods are disclosed for intelligent power supply for user devices. An example transformer may comprise a plurality of output terminals. Each of the output terminals may be associated with a different voltage. A regulator device may be in communication with the transformer and with a user device. The regulator device may determine a power requirement of the user device. Based on the power requirement of the user device, the regulator device may determine one of the output terminals of the transformer. The regulator device may cause output, to the user device and from the determined output terminal, of a signal.

Aspects of the subject disclosure may include, a system that can be configured for generating an electromagnetic wave and coupling the electromagnetic wave to a transmission medium with a reduced loss of radiation of the electromagnetic wave into free space. The system can also be configured to receive an electromagnetic waves form the transmission medium with a reduced loss of radiation of the electromagnetic wave into free space. Other embodiments are disclosed.

Provided is a sensor network system including sensor master devices (15A to 15D) which receive detection information obtained by sensors (11A to 11F) through wireless communication, a data server (17) which acquires the detection information from the sensor master devices (15A to 15D) through power line communication, and notification devices (13A, 13B) which receive notification information from the data server (17) to perform notification, in which the sensor master devices (15A to 15D) are connected to the sensors (11A to 11F) and the notification devices (13A, 13B), and the data server (17) determines an object to be notified in accordance with, for example, a detection position which is detection information for at least one of an object to be notified and notification contents, on the basis of the acquired detection information.

A distributed antenna and backhaul system provide network connectivity for a small cell deployment. Rather than building new structures, and installing additional fiber and cable, embodiments described herein disclose using high-bandwidth, millimeter-wave communications and existing power line infrastructure. Above ground backhaul connections via power lines and line-of-sight millimeter-wave band signals as well as underground backhaul connections via buried electrical conduits can provide connectivity to the distributed base stations. An overhead millimeter-wave system can also be used to provide backhaul connectivity. Modules can be placed onto existing infrastructure, such as streetlights and utility poles, and the modules can contain base stations and antennas to transmit the millimeter-waves to and from other modules.

A system of antenna power management security may comprise a memory for storage in a standard absorption rate control register of code instructions executed to alter a transmitting antenna power level, and a processor operably connected to the memory executing code instructions of an antenna power management security system to store a randomly generated challenge number in a challenge register of the memory, determine a first response value based on the randomly generated challenge number, read a second response value determined by the processor executing code instructions of a basic input output system and stored in the memory, and if the first response value matches the second response value, allow the processor executing code instructions of the basic input output system to store a single command in the standard absorption rate control register within a preset time period, for later execution by the processor.

A power outlet for controlling power to an external device and transmitting data to the external device, the power outlet including: a housing containing at least one alternating-current power input connection; a power output connection; a data connector; a sensor module; a wireless communication module, including an antenna; a processing unit configured to receive data and control an electrically connected device through the power output connection and/or data connector based on the received data.